List of top Questions asked in Punjab PMET- 2003

A charged particle is suspended in equilibrium in a uniform vertical electric field of intensity $ 20000\,\,V/m $ . If mass of the particle is $ 9.6\times {{10}^{-16}}kg $ , the charge on it and excess number of electrons on the particle are respectively $ (g=10\,m/s^2) $ :
The half-life of a radioactive substance is $3.6$ days. How much of $ 20\,\,mg $ of this radioactive substance will remain after $36$ days:
If vibration of string are to be two times, then tension in the string must be made:
Volume of $ C{{O}_{2}} $ obtained from complete decomposition of $ 20\,\,g\,\,CaC{{O}_{3}} $ at STP is:
The correct order of stability of carbocations, is:
The $ IUPAC $ name of the following compound is:
Glycolysis occurs in
The kinetic energy of an electron is $ 5\,\,eV $ . Calculate the de-Broglie wavelength associated with it ( $ h=6.6\times {{10}^{-34}}\,\,Js $ , $ {{m}_{e}}=9.1\times {{10}^{-31}}kg $ ):
The work done in pulling up a block of wood weighing $ 2\,\,kN $ for a length of $ 10\,\,m $ on a smooth plane inclined at an angle of $ {{15}^{o}} $ with the horizontal is:
A resonance air column of length $ 40\,\,cm $ resonates with a tuning fork of frequency $ 450\,\,Hz $ . Ignoring end correction, the velocity of sound in air will be:
A siren emitting sound of frequency 500 Hz is going away from a stationary listener with a speed of $ 50\,\,m/s $ , the frequency of sound to be heard directly from the siren is:
The peak value of alternating current is $ 5\sqrt{2} $ ampere. The mean square value of current will be:
In junction diode, the holes are because of:
DNA is a polymer of
The shape of an orbital is determined by :
Oxidation number $ Fe $ in $ {{K}_{3}}[Fe{{(CN)}_{6}}] $ is:
The enthalpies of all elements in their standard states are:
Which of the following turns potassium dichromate paper green?
The following compound cannot exhibit: $ C{{H}_{3}}CH=CH-CH(OH)\cdot COOH $
Which of the following order of ionisation energy is correct?
The correct order of stability of carbocations, is:
Which of the following turns potassium dichromate paper green?